Clionaidae
Encyclopedia
Clionaidae is a family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 of demosponge
Demosponge
The Demospongiae are the largest class in the phylum Porifera. Their "skeletons" are made of spicules consisting of fibers of the protein spongin, the mineral silica, or both. Where spicules of silica are present, they have a different shape from those in the otherwise similar glass sponges...

s which are known worldwide. This family is known for boring holes in calcareous material such as mollusc shells and coral
Coral
Corals are marine animals in class Anthozoa of phylum Cnidaria typically living in compact colonies of many identical individual "polyps". The group includes the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton.A coral "head" is a colony of...

s, using both chemical and mechanical processes,
.

Genera

Genera within this family include:
  • Cervicornia Rützler & Hooper, 2000
  • Cliona
    Cliona
    Cliona is a genus of demosponge in the family Clionaidae. It contains about eighty described species.-Species:Species in this genus include:* Cliona aethiopicus Burton, 1932* Cliona albimarginata Calcinai, Bavestrello & Cerrano, 2005...

    Grant, 1826
  • Clionaopsis Rützler, 2002
  • Cliothosa Topsent, 1905
  • Pione Gray, 1867
  • Spheciospongia Marshall, 1892
  • Thoosa
    Thoosa (sponge)
    Thoosa is a genus of demosponge in the family Clionaidae. This genus is known for boring holes in corals. It contains sixteen described species.-Species:Species in this genus include:* Thoosa amphiasterina Topsent, 1920...

    Hancock, 1849
  • Volzia Rosell & Uriz, 1997
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